This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 9 |
| 3 | 49 |
| 4 | 64 |
| 5 | 121 |
| 6 | 169 |
| 7 | 289 |
| 8 | 400 |
| 9 | 625 |
| 10 | 900 |
| 11 | 961 |
| 12 | 1156 |
| 13 | 1225 |
| 14 | 1849 |
| 15 | 2401 |
| 16 | 3136 |
| 17 | 3364 |
| 18 | 3481 |
| 19 | 3721 |
| 20 | 4900 |
| 21 | 5041 |
| 22 | 5329 |
| 23 | 6400 |
| 24 | 6889 |
| 25 | 7396 |
| 26 | 9604 |
| 27 | 10201 |
| 28 | 10816 |
| 29 | 11449 |
| 30 | 11881 |
| 31 | 12100 |
| 32 | 12544 |
| 33 | 12769 |
| 34 | 13225 |
| 35 | 13456 |
| 36 | 13924 |
| 37 | 15376 |
| 38 | 15625 |
| 39 | 16129 |
| 40 | 16384 |
| 41 | 16900 |